Tutorials
How to Make API Calls in Chrome Extensions
Learn how to make secure API calls in Chrome extensions using Fetch API, service workers, host permissions, authentication, and CORS handling.
Tutorials
Tutorials
Chrome Extension Storage API: Save and Retrieve Data
Learn how to use the Chrome Extension Storage API to save, retrieve, and track user data. Includes examples for sync and local storage, best practices, and use cases.
Tutorials
How to Create an Options Page for Your Chrome Extension
Learn how to create a Chrome extension options page, register it in manifest.json, save user preferences, and restore settings with chrome.storage.
Tutorials
How to Debug Offscreen Pages in Chrome MV3
Learn how to debug offscreen pages in Chrome Extension Manifest V3 using chrome://inspect, logging relay systems, and Inspect views.
Tutorials
Where Are Chrome Extensions Stored?
Learn where Chrome extensions are stored on Windows, macOS, and Linux, how to find profile paths, extension IDs, and stored extension data.
Tutorials
How to Monetize Firefox and Edge Extensions in 2026
Learn how to monetize your Firefox and Microsoft Edge extensions using Mellowtel. Includes step-by-step implementation guide and best practices.
Tutorials
How to Fix Axios HTTP Adapter Error in Chrome Extensions
Learn how to fix the Axios “Adapter http is not available” error in Chrome extensions by replacing Axios with Fetch API and async/await.
Tutorials
How to Solve Ollama API CORS Issues in Chrome Extensions
Learn how to fix Ollama API CORS errors in Chrome extensions by configuring Ollama origins, manifest permissions, and localhost API requests.
Tutorials
How to Create a Service Worker for Chrome Extensions
Learn how to create and implement a service worker in Chrome extensions using Manifest V3. Includes examples, best practices, and use cases.
Tutorials
How to Make a Chrome Extension From Scratch (MV3)
Learn how to make a Chrome extension from scratch using Manifest V3, including popup UI, content scripts, service workers, storage, testing, and publishing.
Tutorials
What Are Content Scripts and Background Scripts in Chrome Extensions?
Learn how content scripts and background service workers work in Chrome extensions, including MV3 contexts, messaging, permissions, and debugging.
Tutorials
How to Get the Current Tab URL in a Chrome Extension (MV3)
Learn how to get the current tab URL in a Chrome extension using Manifest V3, activeTab, tabs API, service workers, popups, and content scripts.